Part I. Domain Chapters: 1. Mapping the terrain of bipolar II disorder Gordon Parker; 2. Bipolar disorder in historical perspective Edward Shorter; 3. The bipolar spectrum Chris B. Aiken; 4. Defining and measuring bipolar II disorder as a categorical condition Gordon Parker; 5. Bipolar II disorder in context: a review of its epidemiology, disability and economic burden Trisha Chakrabarty, George Hadjipavlou, David J. Bond and Lakshmi N. Yatham; 6. Comorbid conditions associated with bipolar II disorder Gordon Parker and Stacey McCraw; 7. Personality and temperament styles associated with bipolar II disorder Tahlia Ricciardi; 8. Differentiating bipolar II disorder from personality-based dysregulation disorders Joel Paris and Adam Bayes; 9. The neurobiology of bipolar II disorder Emre Bora and Christos Pantelis; 10. Methodological nuances in undertaking and interpreting efficacy studies of medications for bipolar II disorder Gabriela Tavella and Gordon Parker; 11. The role of antidepressants in managing bipolar II disorder Joseph F. Goldberg; 12. Mood stabilizers in the treatment of bipolar II disorder David J. Bond, George Hadjipavlou and Lakshmi N. Yatham; 13. The use of antipsychotic drugs in bipolar II disorder Eduard Vieta; 14. Perinatal nuances in managing bipolar II disorder Gabriela Tavella and Philip Boyce; 15. Psychological interventions for managing bipolar II disorder Vijaya Manicavasagar and David Gilfillan; 16. The role of wellbeing plans in managing bipolar II disorder Margo Orum; 17. The trajectory of illness experienced by those with a bipolar II disorder Tessa Cleradin; Part II. Management Commentaries: 18. Introduction to management commentaries Gordon Parker; 19. Management commentary Jay Amsterdam and Lorenzo Lorenzo-Luaces; 20. Management commentary Darryl Bassett; 21. Management commentary David Castle; 22. Management commentary Kostantinos N. Fountoulakis; 23. Management commentary Sophia Frangou; 24. Management commentary Heinz Grunze; 25. Management commentary Tadafumi Kato; 26. Management commentary Gin Malhi; 27. Management commentary Philip B. Mitchell; 28. Management commentary Lawrence T. Park and Carlos A. Zarate, Jr; 29. Management commentary Robert Post; 30. Management commentary Joshua Rosenblat and Roger McIntyre; 31. Management commentary Ayal Schaffer; 32. Management commentary Michael E. Thase; 33. Management commentary Mauricio Tohen; 34. Management commentary Eduard Vieta; 35. Management commentary Lakshmi Yatham; 36. Management commentary Allan Young; Part III. Conclusion: 37. Rounding up Gordon Parker.